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Finding the Fourth Proportional to 6,216.77, 8,583.26 and 4,778.58

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Solution

The fourth proportional to 6,216.77, 8,583.26 and 4,778.58 is: 6,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.77 : 8,583.26 = 4,778.58 : x
  2. Step 2: Convert to fraction form
    6,216.77/8,583.26 = 4,778.58/x
  3. Step 3: Cross multiply
    6,216.77x = 8,583.26 × 4,778.58
  4. Step 4: Simplify right side
    6,216.77x = 41,015,794.57
  5. Step 5: Solve for x
    x = 41,015,794.57/6,216.77
  6. Step 6: Final answer
    x = 6,597.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.